Niantic has announced the details for the events that will take place in Pokémon GO throughout August 2021.

Coming in August: Ultra Unlock and more!

Trainers, With Pokémon GO Fest 2021 now behind us, it’s time to look ahead to all the Ultra Unlock bonuses you’ve earned, along with other fun events coming up in August!

August Research Breakthrough encounters
From Sunday, August 1, 2021, at 1:00 p.m. to Wednesday, September 1, 2021, at 1:00 p.m. PDT (GMT −7), you’ll encounter Chimecho in Research Breakthrough encounters. Double XP for Research Breakthroughs will also continue throughout this month as part of the Season of Discovery!

Weekly 1 PokéCoin bundles
Every Monday in August, a one-time purchase bundle containing a Remote Raid Pass and other items will be available in the shop.

Featured Pokémon in raids
The following Pokémon will be appearing in five-star raids throughout August.

• Dialga will continue to appear in five-star raids until Friday, August 6, 2021, at 10:00 a.m. local time. If you’re lucky, you might find a Shiny one!
• Palkia will be appearing in five-star raids from Friday, August 6, 2021, at 10:00 a.m. to Friday, August 20, 2021, at 10:00 a.m. local time. If you’re lucky, you might find a Shiny one!
• Stay tuned for more updates on which Pokémon will be appearing in five-star raids after August 20.

In addition, the following Mega-Evolved Pokémon will be appearing in Mega Raids.

• Mega Charizard X will continue to appear in Mega Raids until Friday, August 6, 2021, at 10:00 a.m. local time.
• Mega Ampharos will appear in Mega Raids from Friday, August 6, 2021, at 10:00 a.m. to Friday, August 20, 2021, at 10:00 a.m. local time.
• Mega Beedrill will appear in Mega Raids from Friday, August 20, 2021, at 10:00 a.m. to Thursday, August 26, 2021, at 10:00 a.m. local time.
• Mega Pidgeot will appear in Mega Raids from Thursday, August 26, 2021, at 10:00 a.m. to Wednesday September 1, 2021, at 10:00 a.m. local time.

Every Wednesday in August, a Raid Hour event will occur from 6:00 p.m. to 7:00 p.m. local time. The following Pokémon will be featured.

• Wednesday, August 4, 2021: Dialga
• Wednesday, August 11, 2021: Palkia
• Wednesday, August 18, 2021: Palkia
• Wednesday, August 25, 2021: ???

In addition, a bonus Raid Hour event will take place on Monday, August 30, 2021, from 6:00 p.m. to 7:00 p.m. local time.

Pokémon Spotlight Hours
In the month of August, Pokémon Spotlight Hour will take place every Tuesday from 6:00 p.m. to 7:00 p.m. local time, and each will spotlight a different Pokémon and special bonus!

• Tuesday, August 3, 2021: Magnemite will be in the spotlight, and you’ll earn twice the Stardust for catching Pokémon.
• Tuesday, August 10, 2021: East Sea Shellos will be in the spotlight, and you’ll earn twice the XP for catching Pokémon.
• Tuesday, August 17, 2021: West Sea Shellos will be in the spotlight, and you’ll earn twice the Candy for catching Pokémon.
• Tuesday, August 24, 2021: A certain Pokémon will be in the spotlight, and you’ll earn twice the Candy for transferring Pokémon.
• Tuesday, August 31, 2021: A certain Pokémon will be in the spotlight, and you’ll earn twice the XP for evolving Pokémon.

August Community Day
Join us on Saturday, August 14, 2021, and Sunday, August 15, 2021, from 11:00 a.m. to 5:00 p.m. local time each day for a Community Day event featuring Eevee, the Evolution Pokémon!

In celebration of Eevee Community Day, stickers inspired by Eevee and its Evolutions will be available throughout August! You can get stickers inspired by Eevee by spinning PokéStops, opening Gifts, and purchasing them from the in-game shop, while stickers inspired by Eevee’s Evolutions will be available exclusively from the shop.

Upcoming events
Stay tuned for details about these upcoming events.

• Ultra Unlock Part 1: Time: Dialga will disrupt the flow of time! From Friday, July 23, 2021, at 10:00 a.m. to Tuesday, August 3, 2021, at 8:00 p.m. local time, Pokémon from various eras will be appearing more often. For more details, check out the Ultra Unlock announcement.
• Ultra Unlock Part 2: Space: As Part 1: Time wraps up, we’ll turn our eyes to its dimensional counterpart: space! Palkia will distort space itself as Pokémon from various places appear! Look forward to experiencing the second part of this year’s Ultra Unlock from Friday, August 6, 2021, at 10:00 a.m. to Tuesday, August 17, 2021, at 8:00 p.m. local time. For more details, check out the Ultra Unlock announcement.
• GO Battle Night: On Thursday, August 26, 2021, from 6:00 p.m. to 11:59 p.m. local time, the third GO Battle Night of the season will be happening! Complete up to 100 battles, and receive three times the Stardust for winning battles, completing sets of battles, and ranking up in the GO Battle League. For more details on the GO Battle League, check out the Season 8 blog.

Please be aware of your surroundings and follow guidelines from local health authorities when playing Pokémon GO. Upcoming events are subject to change.

Source: https://pokemongolive.com/post/aug-2021-events/